Road machine



DL E. DILLOW ROAD MACHINE Oct. 3, 1933.

Filed Dec. 27, 1932 2 Sheets-Sheet 2 Snventor (Ittornegs Patented Oct.3,1933

PATENT OFFICE:

ROAD MACHINE vDaniel E. Dillow, Gruver, Tex.

Application December 27, 1932 Serial No. 649,073

. 2 Claims.

This invention relates to road machines, and particularly to roadmachines designed for use in scraping road surfaces, during the processof leveling or repairing the surface.

,5 The primary object of the invention is to provide a road machine ofthis character, so constructed that the scraping blades thereof may beadjusted to operate at various angles with respect to the vertical, tothe end that the scrap- ;le ing blades will become beveled or sharpenedunder use, whereupon the blades may be reversed so that the blades mayhave a cutting action as Well as a scraping action. A

Another object of the invention is to provide l5 a machine includingadjustable blades, and means for adjusting the blades, the adjustingmeans acting to securely hold the blades in their positions ofadjustment, against severe strains directed to the blades, when theblades contact with obstrucs26 tions in the path of travel of themachine.

' A still further object of the invention is to provide a machinewherein the pivoted scraping blades may be adjusted simultaneously,thereby permitting the adjusting of the blades to be 25 accomplisheduniformly and expeditiously.

Still another object of the invention is to provide means for adjustingthe initial positions of the blades, with respect to thesurface overwhich the machine is to operate, thereby adapting the ,1 3Q machine foruse in scraping crowned road surfaces.

With the foregoing and other objects in View which will appear as thedescription proceeds, the invention resides in the combination and ar- V5, rangement of parts and in the details of construction hereinafterdescribed and claimed, it being understood that changes in the preciseembodiment of the invention herein disclosed, may be made within thescope of what is claimed,

a?? without departing from the spirit of the invention.

Referring to the drawings:

Figure 1 is a plan view of a road machine constructed in accordance withthe invention.

@4 5 Figure 2 is a sectional view taken on line 2-2 of Figure 1.

Figure 3 is a sectional view taken on line 3-3 of Figure 1.

Referring to the drawings in detail, the ma-V Q chine, which is in theform of a drag, comprises a frame indicated generally by the referencecharacter 5, which frame embodies spaced angle bars 6 and spaced anglebars 7, the angle bars 7 being bolted to the bars 6, by means of thebolts 8, and

transversely disposed, bracing the bars 6.

l The angle bars 6 are provided with openings arranged in spacedrelation with respect to each other, the openings of one bar 6 beingdisposed in alignment with similar openings in the remaining bars.

' Bolts 9 extend through the openings vin the bars 6, and also passthrough openings in the arms 10, Ythe openings in the arms 10 beingarranged in vertical spaced relation with respect to each other.

The lower ends of the arms 10 are twisted, as clearly shown by thedrawings, so that they lie flat against the side faces of the scrapingblades 11 to which the arms are bolted, as by means of the bolts 12.

Due to the arrangement of the openings of the arms 10, it will be seenthat the blades 11 are supported in position and extended transverselyof the bars 6, so that the blades will act as Scrapers, as the machineis moved over the road surface. The upper or free ends of the arms 10are pivotally connected with the connecting bars 13, by means of thebolts 14, so that the bars 13 may swing forwardly or rearwardly, toaccomplish the adjustment of the scraping blades.

As clearly shown by the drawings, these bars 13 are arranged in pairs ateach side of the frame 5, the bars of each pair being connected by meansof a curved rod 15, to the end that all of the bars and scraping bladesare moved simultaneously, when the adjusting means, to be hereinaftermore fully described, is operated.

The adjusting mechanism comprises a pair of arms 16 and 1'7respectively, which arms have pivotal connection with the upper ends ofcertain of the arms 10, the inner ends of the arms converging towardsthe coupling 18, where it has pivotal connection therewith, through themedium of the bolt 19. This coupling 18 is formed with a threaded boreinto which the threaded inner end of the adjusting rod 21 extends, therod 21 being also supported in an opening formed inthe arm 23, and heldagainst longitudinal movement by means of the nuts 22, positioned onopposite sides of the arm 23. This construction also permits ofadjustment of the operating means.

A hand wheel indicated at 24 is connected with the outer end of the rod21 so that rotary movement may be imparted to the rod 21, moving thecoupling 18 and arms connected therewith. forwardly or rearwardly,according to the direction of rotation of the wheel 24.

The reference character 25 designates a hitch which is carried by theframe and affords means whereby a suitable power device not shown, may111 be hitched to the machine, for moving the machine over the roadsurface.

From the foregoing, it Will be obvious that due to the constructionshown and described, the hand wheel may be operated, tilting thescraping blades in such a way that the' front edges thereof will becomeworn or beveled, whereupon the blades may be readily removed andreversed, so that the sharp edges of the blades will be directedforwardly, causing a cutting action as well as a scraping action. c Itwill further be seen that by operating the hand wheel and adjustingmeans, the scraping blades will be tilted simultaneously and uniformly,eliminating the necessity of adjusting one blade, and adjusting otherblades with relation thereto, as is common in road machines of thistype.

It might be further stated that due tothe construction, the ends of theblades may be adjusted vertically, thereby adapting the machine for usein scraping crowned road surfaces.

Having thus described the invention, what is claimed is:

1. In a road scraping machine, a frame including spaced bars,transversely disposed bars secured to the rst mentioned bars, armshaving a plurality of openings formed therein, scraping blades connectedwith the arms, bolts extending through the rst mentioned bars of theframe and the arms, adjustably connecting the arms to the frame, andmeans for operating the arms simultaneously to adjust the scrapingblades.

2. In Ya road scraping machine, a frame including spaced bars,transversely disposed bars secured to the rst mentioned bars, armspivotally mounted on the frame, the upper ends of the arms extendingabove the frame, the lower ends of the arms extending below the frame,blades secured to the lower ends of the arms and arranged transverselyof the frame, said arms having a plurality of openings formed thereinand arranged in spaced relation with respect to each other, boltspassing through certain of the openings and through the frame, pivotallysecuring the arms to the frame, bars connected with the arms, and meanscooperating with the bars for operating the arms and blades.

DANIEL E. DILLOW.

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